Reverse Bits

Reverse bits of a given 32 bits unsigned integer.

For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as00111001011110000010100101000000).

 class Solution {
 public:
     uint32_t reverseBits(uint32_t n) {
         uint32_t tmp =;
         uint32_t remainder = ;
         int cnt =;
         while(n) {
             remainder = n%;
                tmp = tmp* +remainder;
                n /= ;
                ++cnt;
            }
            cnt =  - cnt;
            while(cnt) {
                tmp *=;
                --cnt;
            }
        return tmp;
     }
 };